+ /** Font related functions **/
+ void SetFont(const std::string & font_filename);
+ void AddText(const std::string & text, Real scale, Real x, Real y);
+
+ void AddFontGlyphAtPoint(stbtt_fontinfo *font, int character, Real scale, Real x, Real y);
+
+ void TransformObjectBounds(const SVGMatrix & transform, ObjectType type = NUMBER_OF_OBJECT_TYPES);
+ void TranslateObjects(const Real & x, const Real & y, ObjectType type = NUMBER_OF_OBJECT_TYPES);
+ void ScaleObjectsAboutPoint(const Real & x, const Real & y, const Real & scale_amount, ObjectType type = NUMBER_OF_OBJECT_TYPES);
+